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Additional info for Cohesion, Internal Pressure, Adhesion, Tensile Strength, Tensile Energy, Negative Surface Energy, an

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1 sat. liq. + vap. 4 m3/kg. 4474 at 145°C. 001017 => compr. liq. 1 => sup. 5: v = (1-x) vf + x vg => sat. liq. + vap. 009665 at 70°C. P. States shown are placed relative to the two-phase region, not to each other. P. P = const. 33 a d v What is the percent error in specific volume if the ideal gas model is used to represent the behavior of superheated ammonia at 40°C, 500 kPa? What if the generalized compressibility chart, Fig. 1, is used instead? 03082 m3/kg? What if the generalized compressibility chart, Fig.

Is evacuated and then filled with carbon dioxide gas at 77 F. 6 lbm of carbon dioxide? 63E A vacuum pump is used to evacuate a chamber where some specimens are dried at 120 F. The pump rate of volume displacement is 900 ft3/min with an inlet pressure of 1 mm Hg and temperature 120 F. How much water vapor has been removed over a 30-min period? Solution: Use ideal gas as P << lowest P in steam tables. 01934 lbf/in 2 . 01934 × 900 × 30 × 144 . -diameter piston that is restrained by a linear spring (force proportional to distance) as shown in Fig.

The valve is now opened and the two come to a uniform state. Find the final specific volume. Solution: Control volume: both tanks. Constant total volume and mass process. 59 A tank contains 2 kg of nitrogen at 100 K with a quality of 50%. 5 kg is now removed while the temperature remains constant. Find the final state inside the tank and the volume of nitrogen removed if the valve/meter is located at a. The top of the tank b. 001452 Top: flow out is sat. vap. 0156 m3 Bottom: flow out is sat. liq.

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Cohesion, Internal Pressure, Adhesion, Tensile Strength, Tensile Energy, Negative Surface Energy, an by Harkins W. D.


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